package day02;

public class LongDemo {
    public static void main(String[] args) {
        //2)long  长整型  占 8个字节  -2^63~2^63-1(正负900万万亿多)
        long a = 25L;
        //long b = 10000000000;
        long c = 10000000000L;
        //long d = 3.14;

        long e = 1000000000*2*10L;
        System.out.println(e);
        long f = 1000000000*3*10L;
        System.out.println(f);
        long g = 1000000000L*3*10;
        System.out.println(g);
    }
}
